Rotary expansible chamber devices inventions 04/06

20060088432 - High efficiency gerotor pump: A pump assembly includes a pump housing, a stator ring supported within the pump housing, and a pump ring also rotatably supported within the pump housing. The pump ring interfaces with the stator ring to define a plurality of variable volume pressure chambers. A cover plate covers the stator ring...

20060088431 - Variable output gerotor pump: A variable output gerotor pump includes outer and inner driven and driving rotors and an annular output control ring which is rotatable within a bore mounted within the pump's body so as to change the amount of working fluid which is transferred from the inlet port to the outlet port...

20060088433 - Vane pump for continuously variable transmission: In a vane pump disposed inside a transmission case of a continuously variable transmission, a pump case (20), a pump drive shaft (8) rotatably supported by a shaft bore (9) of the pump case (20) to rotate a rotor (5), and a drain port (17), one end thereof being opened...

20060088434 - Compressor: A helical screw rotor compressor is provided which includes a rotor housing that includes a barrel wall between two parallel end walls, an inlet port at a first end and an outlet port at a second end. The compressor has an internal shape corresponding to two parallel and mutually intersecting...

20060083648 - Scroll compressor: A scroll compressor is disclosed. In the scroll compressor, a first compression chamber is formed between an orbiting scroll and a fixed scroll, and a second compression chamber is additionally formed between the orbiting scroll and the main frame. Accordingly, when the orbiting scroll orbits, a refrigerant gas is compressed...

20060083649 - Compressor: It is an object of the present invention to make an oil-reservoir chamber independent from a motor chamber into which a refrigerant compressed by a compressor mechanism is introduced, thereby reducing a compressor in size. In a compressor 1, a partition member 7 is provided in a housing 3 on...

20060083650 - Air compressor assembly: A compressor assembly comprising first and second housing structures connected to one another. A compression chamber is formed integrally within the first and second housing structures. A separation chamber is formed integrally within the first and second housing structures. An internal fluid passage extends between the compression chamber and the...

20060083651 - Composite dry vacuum pump having roots rotor and screw rotor: Disclosed is a dry vacuum pump for evacuating a processing chamber in semiconductor or display manufacturing device, or for evacuating the gaseous substance and/or the byproducts generated in process chamber. The dry vacuum pump does not need a partition wall between a roots rotor and a screw rotor. In the...

20060078450 - Scroll pump with controlled axial thermal expansion: Vacuum pumping apparatus includes a pump frame, a stationary scroll element secured to the pump frame, the stationary scroll element including a stationary scroll blade, an orbiting scroll element including an orbiting scroll blade intermeshed with the stationary scroll blade, a motor secured to the pump frame, and a crankshaft...

20060078451 - Scroll compressor: A scroll compressor includes: a driving motor fixedly installed in a casing; a frame fixedly installed in the casing to support a rotary shaft of the driving motor, and having a second suction opening at its one side and a second discharge opening at its other side; a fixed scroll...

20060078452 - Oil discharge reducing device for scroll compressor: An oil discharge reducing device for a scroll compressor comprises: a refrigerant guiding mechanism for guiding a refrigerant gas of high pressure discharged through a discharge opening of the fixed scroll to a rotor of the driving motor; and an oil separating mechanism penetrated through the rotor and for separating...

20060078453 - Mechanism of the screw rotor: A screw-rotor machine having a male rotor and a female rotor formed by a number of helical lobs or ribs and a like number of intervening helical grooves; the profiles of male rotor and female rotor are generated by a rack profile; wherein the rack profile is constructed by a...

20060073050 - Complex fluid machine: A complex fluid machine (100) comprises a compressor device (110) for a refrigerating cycle (20) and an expansion device (120) for Rankine cycle (30) to collect waste heat from an engine (10) and convert into a rotational force, wherein the compressor device (110) and the expansion device (120) are arranged...

20060073051 - Capacity-changing unit of orbiting vane compressor: Disclosed herein is a capacity-changing unit disposed in an orbiting vane compressor, which compresses refrigerant gas introduced into a cylinder through an orbiting movement of an orbiting vane in the cylinder, for easily changing capacity of the orbiting vane compressor in a mechanical bypass fashion. The capacity-changing unit comprises a...

20060073053 - Orbiting vane compressor: Disclosed herein is an orbiting vane compressor having two compression chambers formed in a cylinder according to an orbiting movement of an orbiting vane. The orbiting vane compressor comprises a shell having an inlet tube and an outlet tube, the shell being hermetically sealed such that refrigerant gas is introduced...

20060073052 - Orbiting vane compressor incorporating orbiting vane with oil supply function: Disclosed herein is an orbiting vane compressor incorporating an orbiting vane with oil supply function that is capable of performing more smooth orbiting movement. The orbiting vane has a compression unit comprising an orbiting vane having a boss formed in the center thereof such that the upper end of a...

20060073054 - Compression unit of orbiting vane compressor: Disclosed herein is a compression unit of an orbiting vane compressor having improved tight contact between a circular vane and sealing means wherein the sealing means can be easily manufactured. The compression unit compresses refrigerant gas introduced by an orbiting movement of a circular vane in an annular space defined...

20060073055 - Double-acting type orbiting vane compressor: The double-acting type orbiting vane compressor comprises an orbiting vane having upper and lower circular vanes formed at the upper and lower surfaces of a vane plate of the orbiting vane, respectively, the orbiting vane being attached to a crankshaft rotatable by a drive unit, an upper compression unit having...

20060073056 - Hermetically sealed type orbiting vane compressor: Disclosed herein is a hermetically sealed type orbiting vane compressor constructed using an refrigerant gas compressing semi-hermetic vane compressor that comprises a hermetically sealed shell having an inlet tube and an outlet tube, a crankshaft having an oil supplying channel formed longitudinally therethrough, the crankshaft being rotated by a drive...

20060073058 - Orbiting vane compressor with side-inlet structure: Disclosed herein is an orbiting vane compressor with a side-inlet structure that is capable of compressing air in a cylinder according to an orbiting movement of an orbiting vane, the orbiting vane compressor being applied to a refrigerant compressor having refrigerant gas inlet and outlet channels isolated from each other,...

20060073057 - Variable capacity type orbiting vane compressor: Disclosed herein is a variable capacity type orbiting vane compressor that is capable of more easily changing a ratio in volume of an inner compression chamber to an outer compression chamber, the inner and outer compression chambers being formed in a cylinder through an orbiting movement of an orbiting vane,...

20060073059 - Poly-inductive machines and differential turbines: A poly-inductive rotative machine comprising a compressive member, wherein induction of the compressive member is achieved by a mechanism realizing a positive induction on both a front and a back surface thereof, this mechanism being selected in the group consisting of a semi-transmission, a double semi-transmission, a side transmission, a...

20060073060 - Oil pump: An oil pump comprises a cam ring, an outer rotor having inner teeth, which is rotatably provided inside of the cam ring, an inner rotor having outer teeth, which is engageable with the inner teeth of the outer rotor, a drive shaft which ratatably drive the inner rotor. A first...

20060073061 - Compressor: A compressor is provided which achieves downsizing of a sleeve to be attached to a sealed container by projection welding, which can simply connect a refrigerant pipe to the sleeve at the right angle, and which prevents the sealed container from being largely pushed when the sleeve is attached to...